Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Nomeie a bolsa menos cara para 2011.
 ###Tabelas: CREATE TABLE "_"_45_nm ("_"_45_nm_id AUTO_INCREMENT PRIMARY KEY, Model number VARCHAR, sSpec number VARCHAR, Frequency VARCHAR, Turbo VARCHAR, Cores INT, L2 cache VARCHAR, L3 cache VARCHAR, I/O bus VARCHAR, Mult. VARCHAR, Memory VARCHAR, Voltage VARCHAR, TDP VARCHAR, Socket VARCHAR, Release date VARCHAR, Part number(s) VARCHAR, Release price ( USD ) VARCHAR) CREATE TABLE heavyweight___105_kg (heavyweight___105_kg_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Bodyweight INT, Snatch VARCHAR, Clean & Jerk VARCHAR, Total (kg) VARCHAR) CREATE TABLE winners (winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Dates VARCHAR, Champion VARCHAR, Country VARCHAR, Score VARCHAR, Margin of victory VARCHAR, Tournament Location VARCHAR, Purse ( US$ ) INT, Winners share INT) CREATE TABLE asian_population_of_london (asian_population_of_london_id AUTO_INCREMENT PRIMARY KEY, Rank INT, London Borough VARCHAR, Indian Population INT, Pakistani Population INT, Bangladeshi Population INT, Chinese Population INT, Other Asian Population INT, Total Asian Population INT) CREATE TABLE draft (draft_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Pick VARCHAR, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, Team VARCHAR, College VARCHAR)  
SELECT MIN Purse ( US$ ) FROM winners WHERE Year = 2011